DAVEX MK 517 is an amphoteric polyacrylamide copolymer. As dry strength agent, DAVEX MK 517 increase internal bonding by the hydrogen bond and ionic bond with cellulose and hemicellulose Application: DAVEX MMK517 dosage 0.5-1.2% is used in machine chest or mixing chest (based on the dried pulp). Dilute DAVEX MK 517 around 15-30 times with cold fresh water in dosing& dilution adding system. Generaly add the product to the position where it can mix ully with the stuff